Answers

Add 20/60 and 50/42

1^st number: 20/60, 2^nd number: 1 8/42

20/60 + 50/42 is 32/21.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 60 and 42 is 420
   
   Next, find the equivalent fraction of both fractional numbers with denominator 420
2. For the 1st fraction, since 60 × 7 = 420,
   20/60 = 20 × 7/60 × 7 = 140/420
3. Likewise, for the 2nd fraction, since 42 × 10 = 420,
   50/42 = 50 × 10/42 × 10 = 500/420
4. Add the two like fractions:
   140/420 + 500/420 = 140 + 500/420 = 640/420
5. 640/420 simplified gives 32/21
6. So, 20/60 + 50/42 = 32/21
   In mixed form: 111/21

MathStep (Works offline)

Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad

Related: ⁴⁰/₆₀+⁵⁰/₄₂ ²⁰/₆₀+⁵⁰/₈₄

Add Fractions Calculator